/*
 *  Axolotl - Alternate persistence for Grails
 *  Copyright (C) 2008  Juanjo García Latre
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package com.googlecode.axolotl.query;



/**
 *
 *
 * @author juanjo
 */
public class Between<T> extends PropertyComparison<T[]> {

	/**
	 * 
	 */
	public Between() {
		super();
		setValue( (T[]) new Object[2] );
	}


	/**
	 * 
	 */
	public Between(String propertyName, T from, T to) {
		super(propertyName, (T[]) new Object[] {from, to});
	}


	/**
	 *
	 */
	public Between(PropertyName propertyName, T from, T to) {
		super(propertyName, (T[]) new Object[] {from, to});
	}

	
	/**
	 *
	 */
	public T getFromValue() {
		return getValue()[0]; 
	}


	/**
	 *
	 */
	public void setFromValue(T value) {
		getValue()[0] = value;
	}


	/**
	 *
	 */
	public T getToValue() {
		return getValue()[1]; 
	}


	/**
	 *
	 */
	public void setToValue(T value) {
		getValue()[1] = value;
	}

	/*-------------------------------------------------------------------------*/

	/**
	 *
	 */
	public <R> R accept(QueryVisitor<R> visitor) {
		return visitor.visit(this);
	}


	/**
	 * 
	 */
	public boolean equals(Object o)	{
		if (o == null || !(o instanceof Between))
			return false;
		else
			return super.equals(o);
	}


	/**
	 * 
	 */
	public Object clone() {
		Between<T> between = (Between<T>) super.clone();
		between.setValue( getValue().clone() );
		return between;
	}

	/*-------------------------------------------------------------------------*/

	/**
	 * 
	 */
	protected boolean equalsValue(PropertyComparison pc) {
		Between btw = (Between) pc;
		return (btw.getFromValue() == null ? getFromValue() == null : btw.getFromValue().equals( getFromValue() ))
			&& (btw.getToValue() == null ? getToValue() == null : btw.getToValue().equals( getToValue() ));
	}

}
